diff hook: execute as the build user, and pass the temp dir

2 files changed, 4 insertions, 2 deletions

diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index a7170566533e..0f4d3d92b866 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -914,8 +914,8 @@ void killUser(uid_t uid)
 
 /* Wrapper around vfork to prevent the child process from clobbering
    the caller's stack frame in the parent. */
-static pid_t doFork(bool allowVfork, std::function<void()> fun) __attribute__((noinline));
-static pid_t doFork(bool allowVfork, std::function<void()> fun)
+pid_t doFork(bool allowVfork, std::function<void()> fun) __attribute__((noinline));
+pid_t doFork(bool allowVfork, std::function<void()> fun)
 {
 #ifdef __linux__
     pid_t pid = allowVfork ? vfork() : fork();
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index 54936a5cb10b..824a35b987e8 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -265,6 +265,8 @@ string runProgram(Path program, bool searchPath = false,
     const Strings & args = Strings(),
     const std::optional<std::string> & input = {});
 
+pid_t doFork(bool allowVfork, std::function<void()> fun);
+
 struct RunOptions
 {
     Path program;